fOUT
參數(shù)資料
型號: AD9779BSVZ
廠商: Analog Devices Inc
文件頁數(shù): 10/56頁
文件大?。?/td> 0K
描述: IC DAC 16BIT DUAL 1GSPS 100TQFP
產(chǎn)品培訓模塊: Data Converter Fundamentals
DAC Architectures
標準包裝: 1
位數(shù): 16
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 模擬和數(shù)字
功率耗散(最大): 300mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 100-TQFP-EP(14x14)
包裝: 托盤
輸出數(shù)目和類型: 4 電流,單極
采樣率(每秒): 1G
AD9776/AD9778/AD9779
Rev. A | Page 18 of 56
100
50
55
60
65
70
75
80
85
90
95
0
400
fOUT (MHz)
IMD
(dBc
)
80
160
240
360
320
40
120
200
280
05361-117
0dBFS
–3dBFS
–6dBFS
Figure 24. IMD Performance vs. Digital Full-Scale Input, 4× Interpolation,
fDATA = 200 MSPS
100
50
55
60
65
70
75
80
85
90
95
0
400
fOUT (MHz)
IMD
(dBc
)
80
160
240
360
320
40
120
200
280
05361-118
20mA
10mA
30mA
Figure 25. IMD Performance vs. Full-Scale Output Current, 4× Interpolation,
fDATA = 200 MSPS
STOP 400.0MHz
SWEEP 1.203s (601 pts)
VBW 20kHz
START 1.0MHz
*RES BW 20kHz
REF 0dBm
*PEAK
Log
10dB/
LGAV
51
W1
S3
(f):
FTUN
SWP
S2
FC
AA
*ATTEN 20dB
EXT REF
DC COUPLED
05361-023
Figure 26. AD9779 Single Tone, 4× Interpolation, fDATA = 100 MSPS,
fOUT = 30 MHz
STOP 400.0MHz
SWEEP 1.203s (601 pts)
VBW 20kHz
START 1.0MHz
*RES BW 20kHz
REF 0dBm
*PEAK
Log
10dB/
LGAV
51
W1
S3
(f):
FTUN
SWP
S2
FC
AA
*ATTEN 20dB
EXT REF
DC COUPLED
05361-024
Figure 27. AD9779 Two-Tone Spectrum, 4× Interpolation,
fDATA = 100 MSPS, fOUT = 30 MHz, 35 MHz
–142
–146
–150
–154
–158
–162
–166
–170
0
fOUT (MHz)
NS
D
(dBm/Hz)
20
40
60
80
0dBFS
–3dBFS
–6dBFS
05361-025
Figure 28. AD9779 Noise Spectral Density vs. Digital Full-Scale of Single-Tone
Input, fDATA = 200 MSPS, 2× Interpolation
–150
–170
0
100
fOUT (MHz)
NS
D
(dBm/Hz)
–154
–158
–162
–166
20
40
60
80
fDAC = 800MSPS
fDAC = 400MSPS
fDAC = 200MSPS
05361-026
Figure 29. AD9779 Noise Spectral Density vs. fDAC, Eight-Tone Input
with 500 kHz Spacing, fDATA = 200 MSPS
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